UPJ obstruction

UPJ obstruction

Ureteropelvic junction obstruction, see there.
References in periodicals archive ?
In the remaining 3 newborns, the postnatal diagnosis was unilateral UPJ obstruction based on repeat US and renal scintigraphy.
posterior urethral valves, UPJ obstruction, obstructive ureteroceles, or ureteral atresia or obstruction).
We investigate the quantitative and ultrastructural changes of ICC UPJ obstruction using light and electron microscopy.
Of this total number, 42 patients were examined by immunohistochemical methods: 35 patients with UPJ obstruction (median age 36 months) and 7 patients without obstruction (median age 348 months).
During fluoroscopy, arterial pulsations were observed at the ureteropelvic junction (UPJ) of the lower moiety, which suggested that a crossing vessel was contributing to the UPJ obstruction.
Surgical correction for partial UPJ obstruction secondary to a precaval right renal artery was recommended.
3] These symptoms are similar to other common causes of UPJ obstruction and can make the diagnosis of FEP difficult.
Based on the results of our imaging and clinical exam, we speculated that the cause of our patient's UPJ obstruction was secondary to stricture formation.
Crossing vessels as the cause of UPJ obstruction were found in 28% of cases, and injury to the crossing vessels did not occur in any case.
2) Laparoscopic pyeloplasty is a minimally invasive alternative in the treatment of UPJ obstruction and was developed in the early 1990s and after an initial period of development, actually it can duplicate the high success rates achieved with open pyeloplasty, if performed by expert surgeons in centers with high laparoscopic expertise.
6] On the other hand, the cost associated with laparoscopic approaches and the use of associated technical innovations have in turn slowed down their acceptance rate as being the treatment of choice for UPJ obstruction.
The therapeutic options for antenatally diagnosed UPJ obstruction are observation and surgery.